Theory of Machine Relationship between the number of links (L) and number of pairs (P) is P = 2L + 4 P = 2L - 2 P = 2L - 4 P = 2L + 2 P = 2L + 4 P = 2L - 2 P = 2L - 4 P = 2L + 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Have perfect balancing Minimize the effect of secondary forces To start the locomotive quickly Minimize the effect of primary forces Have perfect balancing Minimize the effect of secondary forces To start the locomotive quickly Minimize the effect of primary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Power of a governor is the Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed None of these Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of path of recess)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of approach)/cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Are not held together mechanically Have a line or point contact when in motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Are not held together mechanically Have a line or point contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 10°-15° 25°-30° 30°-40° 15°-25° 10°-15° 25°-30° 30°-40° 15°-25° ANSWER DOWNLOAD EXAMIANS APP
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